Is there any way you could pass dict positions of variable length to a function?
def change_settings(val: str, new_data: Union[str, int, dict]):
with open('somefile.json') as f:
data = json.load(f)
with open('somefile.json', 'w') as f:
data[val] = new_data
json.dump(config, f, indent=4)
Something like this, however this doesn't allow for changing a sub dictionary like for example [val1][val2]
I coded this function change_settings_deep which can take a deeper key (e.g. [key1, key2]) as argument to change your value. BTW I also fixed an error in your original function that would lead to a ValueError: Circular reference detected.
import json
from typing import Union, List
def change_settings(key: str, val: Union[str, int, dict]):
with open('somefile.json') as f:
data = json.load(f)
with open('somefile.json', 'w') as f:
data[key] = val
json.dump(data, f, indent=4)
# {"a": {"b": 7}, "c": 9}
change_settings('c', 'lol')
# {"a": {"b": 7}, "c": "lol"}
def change_settings_deep(keys: List[str], val: Union[str, int, dict]):
with open('somefile.json') as f:
data = json.load(f)
with open('somefile.json', 'w') as f:
data_cur = data
for key in keys[:-1]:
data_cur = data_cur[key]
data_cur[keys[-1]] = val
json.dump(data, f, indent=4)
# {"a": {"b": 7}, "c": 9}
change_settings_deep(['c'], 'bruh')
# {"a": {"b": 7}, "c": "lol"}
change_settings_deep(['a', 'b'], 'magic')
# {"a": {"b": "magic"}, "c": "bruh"}
